Yi Yi (SYN) - A professional manufacturer of membrane keyboard switches, flexible printed circuits and flexible aluminum heaters.

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45 Years Membrane Switch & Flexible Printed Circuit Manufacturer | YI YI

Based in Taiwan, Yi Yi Enterprise Co., Ltd., since 1974, is a membrane switch & flexible printed circuit manufacturer. Every OEM or ODM finished membrane switch & flexible printed circuit is fully assessed before delivery, and all of our materials and components are RoHS compliant.

Specialized in manufacturing membrane switch with super-abrasive finishing, as well as PCB board, graphic overlay, EL panel and circuit board, all materials and components are suitable for use in computers, instruments, electronics and electrical goods.

YI YI has been offering customers high-quality membrane switch, EL panel & circuit board, both with advanced technology and 25 years of experience, YI YI ensures each customer's demands are met.